<template>
  <div>
      <h1>{{ message }}</h1>
      <button @click="reverseFn">翻转世界</button>
  </div>
</template>

<script>
export default {
    data(){
        return{
            message:'HELLO WORLD'
        }
    },
    methods:{
        reverseFn(){
             this.message = this.message.split('').reverse().join('')
        }
    }
}
</script>

<style>

</style>